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BOSTON MARATHON 2025

Mark Snijder

Bib: 5680•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:06
Rank: #3604
Start → 5K
20:06 | 6:28/mi
10K· 6.21 mi
40:27
Rank: #3849 (-245)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:00:50
Rank: #3862 (-13)
10K → 15K
20:23 | 6:34/mi
20K· 12.43 mi
1:21:33
Rank: #3896 (-34)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:26:12
Rank: #3984 (-88)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:42:53
Rank: #4162 (-178)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:04:37
Rank: #4187 (-25)
25K → 30K
21:44 | 7:00/mi
20M
2:13:59
Rank: #4100 (+87)
30K → 20M
9:22 | 6:54/mi
21M
2:21:11
Rank: #4017 (+83)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:26:17
Rank: #4009 (+8)
21M → 35K
5:06 | 6:49/mi
23M
2:35:07
Rank: #3975 (+34)
35K → 23M
8:50 | 7:03/mi
24M
2:42:09
Rank: #4000 (-25)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:48:18
Rank: #4011 (-11)
24M → 40K
6:09 | 7:12/mi
25.2M
2:50:56
Rank: #3999 (+12)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:57:53
Rank: #4004 (-5)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:12
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:31:41
Pace7:00 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2020:066:2820:06
6:28
-
10K
6.21 mi10:44:4140:276:3120:21
6:33
+0:05
15K
9.32 mi11:05:041:00:506:3220:23
6:34
+0:01
20K
12.43 mi11:25:471:21:336:3420:43
6:40
+0:06
Half
13.11 mi11:30:261:26:126:354:39
6:49
+0:09
25K
15.53 mi11:47:071:42:536:3716:41
6:53
+0:04
30K
18.64 mi12:08:512:04:376:4121:44
7:00
+0:07
20M
20.00 mi12:18:132:13:596:429:22
6:54
-0:06
21M
21.00 mi12:25:252:21:116:437:12
7:12
+0:18
35K
21.75 mi12:30:312:26:176:445:06
6:49
-0:23
23M
23.00 mi12:39:212:35:076:458:50
7:03
+0:14
24M
24.00 mi12:46:232:42:096:457:02
7:02
-0:01
40K
24.85 mi12:52:322:48:186:466:09
7:12
+0:10
25.2M
25.20 mi12:55:102:50:566:472:38
7:38
+0:26
Finish
26.22 mi13:02:072:57:536:476:57
6:49
-0:49

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:28 /mi

Average Pace

6:47 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:54

91% of race

Time at Steady Pace

13:21

8% of race

Time at Slower Pace

2:38

1% of race

Average Pace: 6:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:2020:066:2820:06
6:28
#3604
10K
6.21 mi10:44:4140:276:3120:21
6:33
#3849
15K
9.32 mi11:05:041:00:506:3220:23
6:34
#3862
20K
12.43 mi11:25:471:21:336:3420:43
6:40
#3896
Half
13.11 mi11:30:261:26:126:354:39
6:49
#3984
25K
15.53 mi11:47:071:42:536:3716:41
6:53
#4162
30K
18.64 mi12:08:512:04:376:4121:44
7:00
#4187
20M
20.00 mi12:18:132:13:596:429:22
6:54
#4100
21M
21.00 mi12:25:252:21:116:437:12
7:12
#4017
35K
21.75 mi12:30:312:26:176:445:06
6:49
#4009
23M
23.00 mi12:39:212:35:076:458:50
7:03
#3975
24M
24.00 mi12:46:232:42:096:457:02
7:02
#4000
40K
24.85 mi12:52:322:48:186:466:09
7:12
#4011
25.2M
25.20 mi12:55:102:50:566:472:38
7:38
#3999
Finish
26.22 mi13:02:072:57:536:476:57
6:49
#4004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3604341934193949(Top 14%)3721(Top 23%)3721(Top 66%)
10K6.21 mi3.10 mi3849-2453640-2213640-2214068(Top 14%)3826(Top 24%)3826(Top 68%)
15K9.32 mi3.11 mi3862-133646-63646-63949(Top 14%)3721(Top 23%)3721(Top 66%)
20K12.43 mi3.11 mi3896-343670-243670-244145(Top 15%)3887(Top 24%)3887(Top 69%)
Half13.11 mi0.68 mi3984-883752-823752-826190(Top 22%)5575(Top 35%)5575(Top 99%)
25K15.53 mi2.42 mi4162-1783910-1583910-1585493(Top 19%)4983(Top 31%)4983(Top 88%)
30K18.64 mi3.11 mi4187-253921-113921-114652(Top 16%)4244(Top 26%)4244(Top 75%)
20M20.00 mi1.36 mi4100+873838+833838+833464(Top 12%)3200(Top 20%)3200(Top 57%)
21M21.00 mi1.00 mi4017+833761+773761+773124(Top 11%)2881(Top 18%)2881(Top 51%)
35K21.75 mi0.75 mi4009+83746+153746+154175(Top 15%)3728(Top 23%)3728(Top 66%)
23M23.00 mi1.25 mi3975+343704+423704+424054(Top 14%)3613(Top 22%)3613(Top 64%)
24M24.00 mi1.00 mi4000-253717-133717-134789(Top 17%)4103(Top 25%)4103(Top 73%)
40K24.85 mi0.85 mi4011-113721-43721-44975(Top 18%)4185(Top 26%)4185(Top 74%)
25.2M25.20 mi0.35 mi3999+123706+153706+153985(Top 14%)3401(Top 21%)3401(Top 60%)
Finish26.22 mi1.02 mi4004-53700+63700+64598(Top 16%)3848(Top 24%)3848(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3949

Males

3721

M18-39

3721

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4068

Males

3826

M18-39

3826

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3949

Males

3721

M18-39

3721

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4145

Males

3887

M18-39

3887

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6190

Males

5575

M18-39

5575

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5493

Males

4983

M18-39

4983

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4652

Males

4244

M18-39

4244

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3464

Males

3200

M18-39

3200

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3124

Males

2881

M18-39

2881

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4175

Males

3728

M18-39

3728

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4054

Males

3613

M18-39

3613

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4789

Males

4103

M18-39

4103

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4975

Males

4185

M18-39

4185

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3985

Males

3401

M18-39

3401

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4598

Males

3848

M18-39

3848

Passing Analysis

Category:
Athletes Passed
900
Passed By
1300
Net Change
-400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3604
5K → 10K48293-245#3604#3849
10K → 15K93106-13#3849#3862
15K → 20K85119-34#3862#3896
20K → Half290-88#3896#3984
Half → 25K39217-178#3984#4162
25K → 30K129154-25#4162#4187
30K → 20M11326+87#4187#4100
20M → 21M10118+83#4100#4017
21M → 35K4234+8#4017#4009
35K → 23M8753+34#4009#3975
23M → 24M4570-25#3975#4000
24M → 40K4051-11#4000#4011
40K → 25.2M2715+12#4011#3999
25.2M → Finish4954-5#3999#4004
TOTALS9001300-400
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing